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From: Aaron Conole <aconole@redhat.com>
To: Ferruh Yigit <ferruh.yigit@intel.com>
Cc: Alejandro Lucero <alejandro.lucero@netronome.com>, dev <dev@dpdk.org>,
 Adrien Mazarguil <adrien.mazarguil@6wind.com>, stable@dpdk.org,
 Thomas Monjalon <thomas@monjalon.net>
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Date: Fri, 20 Apr 2018 10:56:06 -0400
In-Reply-To: <5d0e69b9-3655-f3f6-9cbb-1090b9471813@intel.com> (Ferruh Yigit's
 message of "Fri, 20 Apr 2018 15:12:28 +0100")
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Subject: Re: [dpdk-stable] [RFC 2/2] nfp: allow for non-root user
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Ferruh Yigit <ferruh.yigit@intel.com> writes:

> On 4/19/2018 7:05 AM, Alejandro Lucero wrote:
>> On Wed, Apr 18, 2018 at 1:32 PM, Aaron Conole <aconole@redhat.com> wrote:
>> 
>>> Alejandro Lucero <alejandro.lucero@netronome.com> writes:
>>>
>>>> On Tue, Apr 17, 2018 at 8:19 PM, Aaron Conole <aconole@redhat.com>
>>> wrote:
>>>>
>>>>  Alejandro Lucero <alejandro.lucero@netronome.com> writes:
>>>>
>>>>  > I was just wondering, if device device PCI sysfs resource files or
>>> VFIO group /dev files
>>>>  require to change
>>>>  > permissions for non-root users, does it not make sense to adjust also
>>> /var/lock in the
>>>>  system?
>>>>
>>>>  For the /dev, we use udev rules - so the correct individual vfio device
>>>>  files get assigned the correct permissions.  No such mechanism exists
>>>>  for /var/lock as far as I can tell.
>>>>
>>>>  Ex. see:
>>>>
>>>>  https://github.com/openvswitch/ovs/blob/master/
>>> rhel/usr_lib_udev_rules.d_91-vfio.rules
>>>>
>>>>
>>>>  Maybe something similar exists that we could use to generate the lock
>>>>  file automatically?
>>>>
>>>> What about /sysfs/bus/pci/device/$PCI_DEV/resource file?
>>>>
>>>> Is RH forcing OVS DPDK to only work if the host has IOMMU support?
>>>
>>> Yes.
>>>
>> 
>> Ok then. It makes sense now to apply this patch to stable versions.
>> 
>> Acked-by: Alejandro Lucero <alejandro.lucero@netronome.com>
>
> Since the target is the stable tree, I will drop them from patchwork as not
> applicable.
>
> Can you please send v1 of the patch to the stable mail list, it can be good idea
> to cc stable maintainers as well.

Will do.  I'll spin into a proper series and submit next week.

Sorry for the extra noise, Ferruh.